Antifriction wheel-bearing.



PATENTED DEC. 3, 1907.

J. P. WULFF. ANTIFRICTION WHEEL BEARING.

APPLICATION FILED JAN.10. 1907.

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- an anti-friction bearing-adapted for 'tion to axles and wheel hubs of stan JOHN P. WULFF, QF MINNEAPOLIS, MINNESOTA.-

. ANTIFRICTION WHEEL-BEARING.

Specification of Letters Patent.

Patented Dec. 3, 1907.

Application filed J 935 1.0.1907- Serial No. 351-619.

' Bearings; and I do hereby declare the following tobe a full, clear, and exact description of the invention, such as will enable .others skilled in the art to which it appertains to make and use the same. Myinvention has for its object to provide applicaard or the usual construction, and to the above ends the invention consists of the novel devices and combinations of devices hereinafter described and'defined in the claims.

The invention is illustrated in the accompanying drawings, wherein like characters .mdicate like parts throughout the several views.

..Referring to the drawings, Figure 1 is a view partly in plan and partly in horizontal section, showing my improved anti-friction bearing device ap lied to an axle and wheel hub. Fig. 2 is a etail in elevation, showing one of the roller spacing devices; and Fig. 3 is a view partly in Ian and partly in section on the hue as m 0 Fig. 2, showing the same roller spacing device.

The numeral 1 indicates a vehicle axle having the usual journal 2, stop collar 3 and threaded end 4.

The numeral 5 indicates the usual cap nut which works on the threaded end 4 of the said axle.

. -The numeral 6 indicates the wheel hub.

Of the parts of the improved journal or anti-friction bearing device, the numeral 7 indicates a bearing sleeve which is adapted to fit the axle journal land to be rigidly clamped against the sto collar 3 thereofby the cap nut 5, so that it ecomes, in effect, a fixed-part of the said journal. Mounted rev spectively on the inner and outer ortions 'of I e sleeve 7 is a pair of bearing co lars 8 and 9 that constitute run-Wa s for reversely tapered rollers 10. The ro lers 10 are tapered toward their ends and terminate in trunnions 11. At their central portions, the rollers 10 are provided with annular grooves 12 that en age annular ribs 13 of the bearings, SIand 9, 1; us assisting in'holding the rollers against endwise movement. The said bearing collars 8 and Q flare from their intermedi ate toward their end portions to fit the taper of the rollers 10. The collar 8 engages with a shoulder 14 on. the sleeve 7 and it may be.

keyed to the said. sleeve; but the bearing collar 9 must be free to slide upon the said sleeve. The bearin rollers 10 are held properly spaced by dight' spacing rings 15 that are provided with perforationsthrough which the tru'nnions 11 project, the outer ends of saidtrunnions being preferably upset slightly and are connected by rods 15.

The numeral 16 indicates a short sleeve that loosely surrounds the sleeve 7, and to the ends of which are secured, by threaded engagement, wide annular bushings or sleeve extensions 17. These bushings or sleeve extensions 17 are formed with conical bearing surfaces that engage the outer'surfaces of the inner conical portions of the respective sets of rollers 10. Mounted to slide within the outer portions of the sleeve extensions 17, are annular roller bearings rings'lS, the inner surfaces of which are tapered to fit the outer surfaces of the adjacent end portions of the rollers 10. The bearing rings 18 may be adjusted by annular nuts 19 that work with threaded engagement in the extreme ends of the sleeve extensions 17 The numeral 20 indicates an annular hub clam ing collar that engages external threads on t e end of the inner bushing or sleeve extension 17 and the numeral 21 indicates a cap that engages external threads on the end of the outer bushing or sleeve. extension 17 In applying the anti-friction bearing device above described to an ordinary wheel hub such as found in general use, the said hub, of course, must be bored out to form seats for the sleeve 16 and bushings or sleeve extensions 17, and at least one of the sleeve extensions must be applied to the said sleeve after the said sleeve is a iplied to the said hub. The hub issecurmi to the said sleeve and bushings or sleeve extensions when it is clamped between the collar 20 and cap 21. Said cap, of course, also acts as a dust guard to prevent dust or dirt from entering the outer portion of the journal. Any wear may be ta en up at any time by the adjustment of the roller bearing member 13, and it will be understood that the bearing ring or member 9, being free to move on the sleeve 7, ma assumewhatever position is requirediun er the various adjustments of From what has been said it is thought to be evident that the anti-friction bearing device above I described may be very easily applied towhe'els and axles of'standard construction. In practice the said bearing devices may be made in different sizes and the sleeve 7 may be provided with internal bores of different shape and them for application to sizes of axle journals.

What I claim is:

1. The combination with a sleeve adapted to fit and to be secured upon the journal of an axle, of a pair of bearing collars on said sleeve, one of which is capable of sliding movement thereon, a pair of bushings adapted to be inserted into the hub of a Wheel, bearing rings" within said bushings, reversely tapered rollers working on said bearing collars and Within said rings, and annular nuts orking in the ends of said bushings for adjusting said bearing rings, substantially as described.

2. The combination with a bearing sleeve 7 adapted to fit upon and to be secured to the journal of an axle, bearing collars 8 and 9 on said sleeve 7, of a sleeve 16 surrounding the intermediate ortion of said sleeve 7, bushings 17 detac iably secured to the ends of said sleeve 16 and adapted to be inserted into the hub of a wheel, bearing rings fitted Within said bushings, 'reversely tapered rollers 10 Working on said bearingpollars and various, shaped and diameter to adapt bushings and bearing Within said bushings and bearing rings, roller spacing rings 15 connected to the ends of said rollers, and annular nuts 19 Workingwithin the ends of said bushings and serving to adjust said rings 18, substantially as described. I

3. The combination with a hub 6 and an said sleeve 7, the bearing collars 8 and 9 on said sleeve 7, a short sleeve 16 surrounding the intermediate portion of said sleeve 7, the bushings 17 having screw-threaded .engagement with the ends of said sleeve 16 and fitting in said hub 6, bearing rings 18 inthe ends of said bushings, the reversely tapered bearing rollers 10-Working on the said collars 8 and 9 and Within said bushings 1 7 and rings 18, annular nuts 19- Working in the ends of said bushings for adjustmg said rings 18, a clamping collar 20 threaded onto the end of the inner bushing 17, and a cap 'nut 21 threaded onto the outer'end of the outer bushing 17, and inclosing the nut 5, substantially as described.

In testimony whereof 'I afi'ix my signature in presence of two Witnesses.

' JOHN P. WULFF Witnesses:

MALIE HOEL, F. D. MERCHANT.

Mon-"- 

